Eaton Safety Switch General Duty Non-Fusible 400A Three-Pole Single-Throw 240V NEMA 3R

Eaton Safety Switch General Duty Non-Fusible 400A Three-Pole Single-Throw 240V NEMA 3R

Professional Heavy-Duty Electrical Disconnect Switch

The Eaton Safety Switch General Duty Non-Fusible delivers exceptional electrical power isolation and control performance for commercial and industrial electrical systems. This 400A three-pole single-throw safety switch provides reliable electrical disconnect protection designed for professional electricians, electrical contractors, and facility managers, offering the proven reliability and advanced technology that professionals trust from the global leader in intelligent power management.

Professional Features & Benefits

Heavy-Duty Electrical Performance

• 400 Ampere Rating - High-capacity electrical disconnect for demanding commercial and industrial power distribution applications
• Three-Pole Configuration - Complete three-phase electrical isolation with single-throw operation for reliable power control
• 240V Voltage Rating - Professional voltage capacity for commercial electrical systems and industrial motor control applications
• Non-Fusible Design - General duty disconnect switch without fuse protection for flexible electrical system integration

Weather Protection & Installation

• NEMA 3R Rainproof Enclosure - Weather-resistant protection for outdoor electrical installations and harsh environmental conditions
• Painted Galvanized Steel Construction - Durable enclosure material providing corrosion resistance and long-term electrical protection performance
• UL Listed Certification - Professional electrical safety compliance ensuring code-compliant installations for commercial applications

Technical Specifications

Amperage Rating: 400A, Voltage Rating: 240V, Number of Poles: Three-pole, Configuration: Single-throw, Fuse Type: Non-fusible, Enclosure: NEMA 3R Rainproof, Enclosure Material: Painted galvanized steel, Number of Wires: 3, Dimensions: 23" W x 12.63" D x 10.5" H, Weight: 97.75 lbs, Certifications: UL Listed, Special Notes: Drilled to accept field installed neutral kits

Installation & Usage

1. Verify electrical system compatibility with 400A three-pole 240V specifications and NEMA 3R environmental requirements
2. Mount safety switch securely using appropriate electrical enclosure mounting methods for outdoor or harsh environment applications
3. Connect incoming and outgoing electrical conductors to three-pole terminals following NEC wiring requirements and manufacturer specifications
4. Install neutral kit if required for specific electrical system configuration using pre-drilled mounting provisions
5. Test switch operation through complete throw cycle ensuring proper electrical isolation and contact engagement
6. Verify proper enclosure sealing and NEMA 3R weather protection before energizing electrical system

Professional Applications

Ideal for:

• Commercial Electrical Systems - Main electrical disconnects for office buildings, retail facilities, and commercial power distribution
• Industrial Power Control - Motor control centers, machinery disconnects, and industrial electrical isolation applications
• Outdoor Electrical Installations - Weather-protected electrical disconnects for exterior equipment and outdoor power distribution
• HVAC System Control - Air conditioning unit disconnects, rooftop equipment isolation, and commercial HVAC electrical control
• Electrical Maintenance Applications - Service disconnects for electrical maintenance, equipment servicing, and power isolation procedures
• Manufacturing Facilities - Production equipment disconnects, conveyor system control, and industrial machinery electrical isolation
• Utility and Infrastructure - Electrical substation applications, utility disconnect switches, and power grid control systems
• Emergency Power Systems - Generator transfer applications, backup power control, and emergency electrical system integration

General Duty Design Advantage

Eaton's general duty safety switch design provides reliable electrical disconnect performance with non-fusible configuration for maximum application flexibility. The single-throw operation ensures positive electrical isolation while the three-pole design handles complete three-phase power control for commercial and industrial electrical systems.

Why Choose Eaton Quality?

With over a century of electrical power management innovation, Eaton delivers professional-grade safety switches trusted by electricians, electrical contractors, and facility professionals worldwide. Our commitment to electrical safety, UL Listed compliance, and weather-resistant NEMA 3R construction ensures dependable performance in demanding commercial and industrial electrical applications, backed by Eaton's reputation for intelligent power management solutions.